Aero Precision, Atlas R-One, M-LOK, Handguard, Anodized Finish, Flat Dark Earth, 15, Fits AR15 Rifles
- Full top picatinny rail for optional attachments
- Quick disconnect sling socket at the 3 6 and 9 o'clock positions
- Compatible with low profile gas blocks
- 1.3 Inside diameter
- 1.5 Outside diameter
- Compatible with mil-spec AR15 upper receivers and barrels
- NOT Compatible with M4E1 Enhanced Upper Receivers